in three phase with neutral connection, what will happen,if
the neutral is in open condition with single phase
distribution panel ?
Answers were Sorted based on User's Feedback
Answer / sumit rathi (mzn)
neutral point shuld be earth for unbalance load mainly.if
its open neutral voltage will be changed according to
load.when load will be unbalanced nuetral voltage will be
increased .its can be harmful for equipment.
Is This Answer Correct ? | 1 Yes | 0 No |
Answer / roy
this is a dangerous situation. neutral wire will act as a
phase wire in the equipment.
Is This Answer Correct ? | 0 Yes | 0 No |
In Dyn11 power transformer if any one of the 3 phases connected to earth in star connected side then please explain effect of the current flow in delta connected side of transformer.(In this case if one phase is shorted to ground in star connected side then we observe the current flow in two phases only not three phases in delta connected primary side. Please explain why it is so?)
what is the effect when the shunt field winding is opened in dc shunt motor (i) at the time of starting ? (ii) in running condition ?
How do the synchronizing lamps indicate the correctness of phase sequence between existing and incoming alternators?
How can get elongation of 2 k.G aluminium, if elongated aluminium dia is 2.5 mm?
how much earthings are mendatory at a 25kva sub station?
WHAT IS THE DIFFERENCE B/W THREE POINT STARTER AND FOUR POINT STARTER
how give earthing conection to household equipment?
What are the different types of VVVF Drive ?
Why stones are layed under Transformer
how to select correct size of power cable for inverter duty motor
List the advantages of star-delta starter with induction motor?
is it necessary to earth the rmu before cutting off the transformer winding?if yes why?